Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer

Biological heterogeneity and low inherent immunogenicity are two features that greatly impact therapeutic management and outcome in colorectal cancer. Despite high local control rates, systemic tumor dissemination remains the main cause of treatment failure and stresses the need for new developments...

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Main Authors: Erta Kalanxhi, Sebastian Meltzer, Anne Hansen Ree
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Cancers
Subjects:
Online Access:https://www.mdpi.com/2072-6694/12/8/2193
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author Erta Kalanxhi
Sebastian Meltzer
Anne Hansen Ree
author_facet Erta Kalanxhi
Sebastian Meltzer
Anne Hansen Ree
author_sort Erta Kalanxhi
collection DOAJ
description Biological heterogeneity and low inherent immunogenicity are two features that greatly impact therapeutic management and outcome in colorectal cancer. Despite high local control rates, systemic tumor dissemination remains the main cause of treatment failure and stresses the need for new developments in combined-modality approaches. While the role of adaptive immune responses in a small subgroup of colorectal tumors with inherent immunogenicity is indisputable, the challenge remains in identifying the optimal synergy between conventional treatment modalities and immune therapy for the majority of the less immunogenic cases. In this context, cytotoxic agents such as radiation and certain chemotherapeutics can be utilized to enhance the immunogenicity of an otherwise immunologically silent disease and enable responsiveness to immune therapy. In this review, we explore the immunological characteristics of colorectal cancer, the effects that standard-of-care treatments have on the immune system, and the opportunities arising from combining immune checkpoint-blocking therapy with immune-modulating conventional treatments.
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spelling doaj.art-573c93f7ce234759ac15a1792514d3f02023-11-20T09:15:12ZengMDPI AGCancers2072-66942020-08-01128219310.3390/cancers12082193Immune-Modulating Effects of Conventional Therapies in Colorectal CancerErta Kalanxhi0Sebastian Meltzer1Anne Hansen Ree2Department of Oncology, Akershus University Hospital, 1478 Lørenskog, NorwayDepartment of Oncology, Akershus University Hospital, 1478 Lørenskog, NorwayDepartment of Oncology, Akershus University Hospital, 1478 Lørenskog, NorwayBiological heterogeneity and low inherent immunogenicity are two features that greatly impact therapeutic management and outcome in colorectal cancer. Despite high local control rates, systemic tumor dissemination remains the main cause of treatment failure and stresses the need for new developments in combined-modality approaches. While the role of adaptive immune responses in a small subgroup of colorectal tumors with inherent immunogenicity is indisputable, the challenge remains in identifying the optimal synergy between conventional treatment modalities and immune therapy for the majority of the less immunogenic cases. In this context, cytotoxic agents such as radiation and certain chemotherapeutics can be utilized to enhance the immunogenicity of an otherwise immunologically silent disease and enable responsiveness to immune therapy. In this review, we explore the immunological characteristics of colorectal cancer, the effects that standard-of-care treatments have on the immune system, and the opportunities arising from combining immune checkpoint-blocking therapy with immune-modulating conventional treatments.https://www.mdpi.com/2072-6694/12/8/2193colorectal cancerhigh-riskmetastasisoxaliplatinradiationimmune checkpoint blockade
spellingShingle Erta Kalanxhi
Sebastian Meltzer
Anne Hansen Ree
Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
Cancers
colorectal cancer
high-risk
metastasis
oxaliplatin
radiation
immune checkpoint blockade
title Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
title_full Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
title_fullStr Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
title_full_unstemmed Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
title_short Immune-Modulating Effects of Conventional Therapies in Colorectal Cancer
title_sort immune modulating effects of conventional therapies in colorectal cancer
topic colorectal cancer
high-risk
metastasis
oxaliplatin
radiation
immune checkpoint blockade
url https://www.mdpi.com/2072-6694/12/8/2193
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AT annehansenree immunemodulatingeffectsofconventionaltherapiesincolorectalcancer